Finding the Fourth Proportional to 3,585,178.26, 5,379,356.00 and 1,878,915.49
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Solution
The fourth proportional to 3,585,178.26, 5,379,356.00 and 1,878,915.49 is: 2,819,205.79
Step by Step Solution
- Step 1: Write the proportion equation
3,585,178.26 : 5,379,356.00 = 1,878,915.49 : x - Step 2: Convert to fraction form
3,585,178.26/5,379,356.00 = 1,878,915.49/x - Step 3: Cross multiply
3,585,178.26x = 5,379,356.00 × 1,878,915.49 - Step 4: Simplify right side
3,585,178.26x = 10,107,355,305,873.34 - Step 5: Solve for x
x = 10,107,355,305,873.34/3,585,178.26 - Step 6: Final answer
x = 2,819,205.79
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.